1165516106 has 4 divisors (see below), whose sum is σ = 1748274162. Its totient is φ = 582758052.

The previous prime is 1165516097. The next prime is 1165516123. The reversal of 1165516106 is 6016155611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1065696025 + 99820081 = 32645^2 + 9991^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 291379025 + ... + 291379028.

Almost surely, 2^1165516106 is an apocalyptic number.

1165516106 is a deficient number, since it is larger than the sum of its proper divisors (582758056).

1165516106 is an equidigital number, since it uses as much as digits as its factorization.

1165516106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582758055.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 1165516106 is about 34139.6559150792. The cubic root of 1165516106 is about 1052.3804212652.

The spelling of 1165516106 in words is "one billion, one hundred sixty-five million, five hundred sixteen thousand, one hundred six".